World most polluted cities 2018 (PM2.5)

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2018 World air quality report

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PM2.5 Legend
WHO target
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Unit: µg/m³
RankCity2017 AVG2018 AVGJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
1USA
Anderson, USA
23.527.821.115.323.6--15.530.57823.615.933.925.6
2USA
Medford, USA
152212.69.17.8---74.464.219.36.611.913.1
3USA
Three Rivers, USA
20.420.89.914.28.159.315.117.440.2-13.514.431.88.9
4USA
Yosemite Valley, USA
13.320.48.399.29.211.88.972.465.29.910.216.810.6
5USA
Portola, USA
19.120.433.8292213.37.25.412.833.411.411.725.827.4
6USA
Klamath Falls, USA
13.218.911.911.36.65.44.23.843.870.12010.115.313
7USA
Yuba City, USA
12.618.217.613.48.79.29.510.715.3271512.164.214.7
8USA
Paradise, USA
6.817.97.96.54.95.166.314.523.77.66.8206.8-
9USA
Stockton, USA
12.517.721.917.39.611.18.19.513.82213.412.25220.4
10USA
Chico, USA
12.817.615.87.66.47.59.59.616.429.714.1975.112.6
11USA
Visalia, USA
16.817.629.524.28.299.210.515.926.613.613.930.220.8
12USA
Turlock, USA
13.117.322.616.29.28.47.410.414.923.913.412.647.319.9
13USA
Gridley, USA
12.316.912.612.877.8910.814.726.113.612.963.911.4
14USA
Porterville, USA
15.316.825.819.57.411.89.910.218.726.212.111.624.919.5
15USA
Twisp, USA
18.816.62411.310.55.45.53.27.468.118.21117.615.5
16USA
California City, USA
16.316.422.116.412.315.411.315.115.218.517.615.117.821.2
17USA
La Mirada, USA
-16-----13.913.218.318.614.214.818.6
18USA
Reseda, USA
17.31616.21513.417.718.522.817.719.913.89.813.113.5
19USA
Bakersfield, USA
16.215.932.421.68.67.97.68.812.420.611.61127.820
20USA
Upland, USA
17.615.816.912.813.617.515.420.321.52416.799.79.8
21USA
Merced, USA
13.415.320.917.46.87.87.58.813.524.413.512.331.318.7
22USA
Modesto, USA
1315.120.813.97.97.16.67.911.420.211.41046.116.7
23USA
Libby, USA
15.114.917.812.714.18.76.95.48.443.410.41321.215.3
24USA
Ashland, USA
10.914.86.454.13.94.43.937.76518.36.17.57.1
25USA
Williams, USA
6.914.810.98.24.23.85.671842.513.97.9265.5
26USA
Sacramento, USA
11.514.717.213.46.976.89.69.617.18.17.361.812.6
27USA
San Andreas, USA
12.914.613.6149.310.311.312.317.629.6131016.616.6
28USA
Milpitas, USA
-14.514.14.84.26.55.25.610.118.311.29.158.49.4
29USA
Los Angeles, USA
16.114.417.51410.715.612.516.614.817.215.511.81511.7
30USA
Fresno, USA
10.91426.820.77.47.57.28.61222.710.18.125.211.7
31USA
Kern, USA
1313.832.422.38.487.58.611.918.710.18.915.712.3
32USA
Shady Cove, USA
12.113.76.54.73.73.83.83.336.254.319.35.97.58.2
33USA
Stanislaus, USA
12.913.620.7147.87.16.67.911.419.511.210.233.217.1
34USA
Long Beach, USA
14.613.521.6159.412.87.610.311.214.913.912.316.316.6
35USA
Montgomery, USA
13.313.5--15.6-14.31312.913.713.213.713.412.8
36USA
Oakland, USA
11.413.515.610.99.110.67.610.78.513.812.41043.69
37USA
Colville, USA
19.113.323.510.35.43.24.43.17.443.28.613.521.918.4
38USA
Cave Junction, USA
1213.37.411.174.64.13.425.139.613.16.417.313.8
39USA
Concord, USA
12.413.316.111.510.310.69.214.113.215.37.56.137.78
40USA
Vallejo, USA
11.91315.210.77.698.29.27.212.7109.143.611.5
41USA
Calexico, USA
13.612.917.216.18.713.510.914.212.5119.87.917.115.6
42USA
Glendora, USA
11.512.910.89.18.612.910.316.916.819.716.911.4129.9
43USA
Woodland, USA
1012.913.98.68.79.87.88.410.519.56.67.741.38.9
44USA
Grants Pass, USA
13.712.87.99.25.44.74.33.424.24015.96.414.311.9
45USA
Riverside, USA
13.812.814.210.48.413.412.116.913.415.314.61011.812.4
46USA
San Pablo, USA
10.912.813.57.76.910.18.5118.113.712.29.142.610.4
47USA
Omak, USA
11.612.712.27.56.44.54.53.38.156.17.110.41511.3
48USA
Pinehurst, USA
14.812.722.413.912.18.583.76.7256.610.619.413.7
49USA
San Francisco, USA
1012.614.810.37.28.45.87.97.212.19.67.850.29.2
50USA
Sunnyside, USA
17.312.5195.85.35.38.35.410.639.39.913.71610.3

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